#include<bits/stdc++.h>

using namespace std;

int main() {
    double pi = acos(-1.0);//M_PI atan(1.0)*4
    printf("%f\n", sqrt(2));
    printf("%f\n", pow(2, 0.5));
    printf("%f\n", pow(1.01, 365));
    printf("%f\n", pow(0.99, 365));
    printf("%f\n", sin(pi / 6));
    printf("E=%f\n", exp(1.0));//e^x
    printf("E=%f\n", pow(1 + 1.0 / 10000, 10000));
    printf("%f\n", log(10));//ln(10)
    printf("%f\n", log10(10));//1
    printf("%d\n", max(3, 4));//4
    printf("%d\n", min(3, 4));
    printf("%f\n", ceil(M_PI));
    printf("%f\n", floor(M_PI));


}
